Pauline "Polly" Adams is an English actress. She is best known for her work on the stage both in England and in the United States, and for her portrayal of Mrs. Brown in the 1990s television series Just William. She made her Broadway debut in a 1975 revival of London Assurance as Grace Harkaway, for which she was nominated for a Drama Desk Award. She has appeared in several productions in London theatres, appearing at such theatres as the Old Vic, the Oxford Stage Company, the Hampstead Theatre, the Royal National Theatre, the Greenwich Theat…